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Wireless Firmware Engineer

2 months ago


San Diego, California, United States Apple Full time
About the Role

We are seeking a highly skilled and experienced Firmware Engineer to join our Wireless Connectivity Silicon Team at Apple. As a key member of our team, you will be responsible for designing, developing, and bringing up innovative wireless silicon for various Apple products.

Key Responsibilities
  • Design and develop firmware for wireless communication systems, including calibration and impairment reduction techniques.
  • Develop methods and algorithms to alleviate hardware-induced impairments through calibration, cancellation, and other applicable techniques.
  • Design and develop PHY firmware architecture, including calibrations, real-time processing flows, and collaboration with RF hardware, microcode, and MAC layer.
  • Develop highly efficient designs that deliver outstanding performance, optimize power and memory footprints, and meet hard-realtime latency requirements.
  • Debug real-time systems with limited visibility, working hands-on with development boards and lab equipment.
  • Collaborate with Radio, MAC, and Systems engineering teams to architect, define, and implement innovative algorithms, calibrations, and protocols.
  • Support pre-silicon validation efforts, including simulation, emulation, and FPGA prototyping.
  • Develop SoC test and calibration capabilities for chip, module, and product factories.
  • Support post-silicon bringup, validation, performance characterization, system integration, and debugging.
  • Measure and optimize results using various test harnesses.
  • Automate calibration and verification processes.
Requirements
  • Extensive technical background in wireless systems and protocols, such as LTE/NR/WiFi/Bluetooth.
  • Excellent problem-solving skills to address technical issues during design, development, and maintenance phases.
  • Strong embedded SW fundamentals, including knowledge of design and development flows, real-time constraints, concurrency, multi-processor systems, caching, and virtual memory.
  • Deep understanding of data structures, object-oriented design, and system architecture in an embedded environment.
  • Strong software engineering skills, including design, development (using C, C++), scripting (Python), and debugging.
  • Familiarity with low-level hardware interfaces, register and interrupt programming, bare-metal software development, clock, and power management.
  • Experience with configuration (GIT, Perforce) and release management, continuous integration, unit, and regression testing.
  • Strong understanding of design strategies for maintainability, scalability, and code reuse.
  • Excellent communication skills – both written and oral.
  • Highly organized, motivated, and passionate about driving results.
What We Offer
  • Competitive base pay, with a range of $166,600 to $296,300, depending on skills, qualifications, experience, and location.
  • Opportunity to become an Apple shareholder through participation in Apple's discretionary employee stock programs.
  • Comprehensive medical and dental coverage.
  • Retirement benefits.
  • Range of discounted products and free services.
  • Reimbursement for certain educational expenses related to advancing your career at Apple.
  • Discretionary bonuses or commission payments.
  • Relocation assistance.